Opinions on Nike Streak XC?

They're very flexible and minimal. It's like wearing socks with rubber soles. Fit my relatively narrow feet like a glove. They're very lightweight. Traction is great on roads but I don't know how they would hold up on very slippery terrain.

I highly recommend them.

I also highly recommend them. They are very light weight but very good.

I wear them for almost every race on the track and on a cross country course. They are good for all types of terrain, minus when it rains. Perfect for well manicured courses on golf courses or just nicely taken care of courses.

I would recommend these to almost anyone.

How do they feel for long runs (20+ miles)? I'd be wearing them on a mixture of road, track, and cross country terrain.

I agree it's very flexible and minimal. Probably good for track work or runs on grass, but not as an every day trainer...at least not for me.

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They should be ok. I switched to minimalism recently and run in the Hyperspeed 2s, but a teammate of mine did some 10 mile tempos with me last year wearing the Streak XCs and he is NOT minimalist at all, he wears Mizuno Wave Insires for normal runs.

Stick to the road and track with these. The upper is not very durable when it comes to running on trails.

The Streak XC is an exceptional shoe. I've trained and raced thousands of miles in them. They are like slippers with just a little cushion. You can run in them until they just fall apart. Great for any distance as long as you adapt to them. As a pure racing shoe, there is nothing better.

I ran 70mpw in them for 6 months, and it started out OK but ended in tendinitis in my soleus. I was "out" for a few weeks, having very limited training. Once I switched shoes I was ok in a few days. I have been injury free(never missing more than a day for injury reasons in years) besides that, and if I wear streaks now, my soleus will really hurt the next day. Works for some people and worked for me once, but there is nothing to the shoe.

Thanks for all of the feedback!

I most likely would not wear them as an everyday trainer, but I am used to minimal shoes. I've been using the Brooks ST3 as an everyday trainer (which I'm also looking to replace with something without a medial post) and as my summer race shoe. During the winter I've been wearing the Inov8 X-Talon as my trail shoe for longer distances and xc spikes for shorter, but during the summer I usually just wear flats on trails and I thought these looked like they had a decent tread for flats.

Any tips on sizing? I wear a 9 in the ST, a 9 in the Adizero CS, 8.5 in Brooks Mach 10, and a 9 in the Inov8s.

bump...still wondering about sizing.

They fit pretty true to size.

7.5 adizero RC

7.5 adixero CS

7.5 Streak